Born in Lucerne in March 1932, Josef Kupper was a very successful chess player and is still today a flamboyant composer of chess problems.The insurance mathematician, the Deputy Director-General of the "Rentenanstalt" and titular professor of the ETH, belonged for many yearsto the best Swiss chess players. He played among other things the Chess Olympics 1954, 1958, 1964 and 1968, with a remarkable 35 points from 57 games for theSwiss team. Also he won three times the Swiss championship - 1954, 1957 and 1962 and became 1955 International Master (IM).His particular passion, however, which he still had in spite of his eyes disease nowadays, is the chess problem. Josef Kupper has created a myriad of beautiful and often refinedChess problems and was also successful as a study composer.

Source: SSZ 2016.

He was an International master in chess and also FIDE Master in problem solving.